Bug#824843: libsys-syscall-perl: autopkgtest failures on arm64

[Eric Wong]

Niko Tyni <ntyni at debian.org> wrote:
> The problem is that arm64 does not have the legacy epoll_create() and
> epoll_wait() syscalls, those are implemented in glibc with epoll_create1()
> and epoll_pwait() if I understand correctly.
> 
> So epoll_create(arg) can be replaced with epoll_create1(0).
> Not sure how epoll_wait() should be implemented.

Apparently upstream got aarch64 support in December
with commit 6c7c516edfabd2edc835d0aaad39f946164bb25d

	git://github.com/bradfitz/sys-syscall

The sigmask arg for epoll_pwait is just ignored if NULL.